Table 4.
Survey Scales - # of items and reliability scores
| Construct Label (# items *) | Foremen | Crew | Cronbach’s alpha |
|---|---|---|---|
| Outcome variables to be measured over time | |||
| Understand safety leadership skills (6) | X | .94 | |
| Safety leadership behaviors/intentions (15) | X | .80 | |
| Safety practices (5) | X | .82 | |
| Crew reporting of safety-related conditions (3) | X | X | .54 (foreman perception of crew); .62 (crew self-report) |
| Safety climate (10) | X | .82 | |
| Foreman’s safety leadership behaviors (15) | X | .96 | |
| Moderator Variables | |||
| Learning goal orientation | X | .75 | |
| Prototypical leader | X | .85 | |
| Leader member exchange | X | .91 | |
*
All scales except demographics used a 1–5 Likert response scale.